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Hydrogen (H)vsIodine (I)

Iodine (I) has a higher Atomic Mass (127 vs 1 u), while Iodine (I) has a higher Density (5 vs 0 g/cm³), while Iodine (I) has a higher Atomic Number (53 vs 1).

Atomic Properties

1
Atomic Number
53
1
Atomic Mass
127
1
Period
5
1
Group
17

Physical Properties

0
Density
5
14
Melting Point
387
20
Boiling Point
457
29
Molar Heat Capacity
N/A

Chemical Properties

2
Electronegativity
3
73
Electron Affinity
295

Similar Comparisons to Hydrogen (H) vs Iodine (I)

Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).